body {
    margin: 0;
    font-family: Poppins, sans-serif;
    background: linear-gradient(135deg, #1b2735, #090a0f);
    color: white;
}

.glass-card {
    width: 90%;
    max-width: 380px;
    margin: 70px auto;
    padding: 30px;
    backdrop-filter: blur(12px);
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    box-shadow: 0px 0px 25px rgba(0,0,0,0.4);
}

.glass-card input,
.glass-card button {
    width: 100%;
    padding: 14px;
    margin: 10px 0;
    border-radius: 10px;
    border: none;
    font-size: 16px;
}

.glass-card input {
    background: #ffffff22;
    color: white;
}

.glass-card button {
    background: #4caf50;
    color: white;
    font-weight: bold;
}

.sidebar {
    width: 220px;
    height: 100vh;
    background: #00000055;
    backdrop-filter: blur(10px);
    position: fixed;
    left: 0;
    top: 0;
    padding: 20px;
}

.sidebar a {
    display: block;
    padding: 12px;
    background: #ffffff22;
    color: white;
    margin: 8px 0;
    border-radius: 8px;
    text-decoration: none;
}

.main {
    margin-left: 230px;
    padding: 20px;
}

.ad-box {
    background: #ffffff22;
    padding: 12px;
    border-radius: 12px;
    margin: 20px 0;
}

.ad-popup {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #000a;
    padding: 18px;
    border-radius: 12px;
    display: none;
    z-index: 9999;
}